3. Reboot your PC. 4. Re-install Service Pack 8 (all three files) according to (Xilinx Solution 10301). 5. Reboot your PC.
The program icon for FPGA Express may be removed from "Accessories" under the Xilinx Program Group; you may need to recreate the icon if you use stand-alone FPGA Express.
Dual Installation - Foundation Aldec and ISE
If ISE was installed after Foundation Aldec, installing any service pack after Service Pack 4 will cause this error. To avoid this problem, please follow these steps:
1. Download Service Pack 7 from the links in this solution. 2. Install fpgaexp35.exe. 3. Install aldecsp180.exe. 4. Install 3_3_07i_pc.exe and uncheck the "FPGA Express Update" box. 5. Install Service Pack 8.